/Engine/Plugins/Experimental/Water/Source/Runtime/Public/WaterQuadTree.h
Output of the quadtree when asking to traverse it for visible water tiles
struct FTraversalOutput
TArray< int32 >
BucketInstanceCounts
int32
InstanceCount
Number of added instances
TArray<FStagin...
StagingInstanceData
This is the raw data that will be bound for the draw call through a buffer.